Tesla, Facebook and Netflix: Time to Buy or Sell?

With these go-go stocks far below their peaks, the charts reveal if you should sell or double down.

One of the biggest problems investors face is determining if a stock is merely pulling back to rest or in the early stages of a declining trend.

That is precisely the dilemma confronting investors in go-go growth stocks such as Tesla Motors (ticker: TSLA). How far can they fall from their respective peaks before investors should throw in the towel? The answer, while different for each stock, depends on whether the primary rising...